21245653

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 25224192

約数和(自身を除く): 3978539

約数列:

[1, 11, 13, 101, 143, 1111, 1313, 1471, 14443, 16181, 19123, 148571, 210353, 1634281, 1931423, 21245653]

約数ペア:

[(1, 21245653), (11, 1931423), (13, 1634281), (101, 210353), (143, 148571), (1111, 19123), (1313, 16181), (1471, 14443)]